- 20″.308 Barrel
- Caliber .308
- Twist 1:10
- Finish
- Material 4150 Chrome Moly Vanadium
- Thread Pitch 5/8 x 24
- Caliber .308
- Feed Ramp M4
- Gas System Rifle
- Gas Block System 0.750
- Gas Hole Diameter 0.086
1 Review
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308 20" Barrel
I OWN 308 Barrels in 16" 18" & 20 " from T/T & I am Pleased with all of them.
